1、STD-AECMA PREN LiLibS-ENGL 1777 10123Ll OOLb20b 757 Edition approved for publication 1999-03-31 AECMA STANDARD NORME AECMA AECMA NORM Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 B-1200 BRUXELLES prEN 4469 Edition P 1 March 1999 PUBLISHED BY THE EURO
2、PEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: Descriptors: ENGLISH VERSION Aerospace series Steel FE-PMI505 (XlCrNiMoAITil2-9-2) Vacuum induction melted and consumable electrode remelted Solution treated and p
3、recipitation treated Bar aorD5 150 mm Rm 2 I 400 MPa Srie arospatiale Acier FE-PMI 505 (XI CrNiMoAITil2-9-2) labor sous vide par induction et refondu llectrode consommable Mis en solution et vieilli Barres a ou D 5 150 mm Rm 2 1 400 MPa Luft- und Raumfahrt Stahl FE-PMI505 (XICrNiMoAITil2-9-2) Vakuum
4、induktionserschmolzen und mit selbstverzehrender Elektrode umgeschmolzen Lsungsgeglht und ausgelagert Stangen a oder D I 150 mm Rm 2 1 400 MPa This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (The European Association of Aerospace Industries). It is published o
5、n green paper for the needs of AECMA-Members. It has been technically approved by the experts of the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeabi
6、lity is affected, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Oficial Services of the Member countries it will be submitted as a draft European Standard to CEN (European
7、 Committee for Standardization) for formal vote. Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX C5 Chairman Mr Evetts aecma 1999 Page 3 prEN 4469: 1999 O Introduction This standard is part of the series of EN metall
8、ic material standards for aerospace applications. The general organization of this series is described in EN 4258. This standard has been prepared in accordance with EN 4500-5. I Scope This standard specifies the requirements relating to: Steel FE-PM1505 (X1 CrNiMoAITil2-9-2) Vacuum induction melted
9、 and consumable electrode remelted Solution treated and precipitation treated Bar aorD5 150 mm Rm 2 1 400 MPa for aerospace applications. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited
10、at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition o
11、f the publication referred to applies. EN 2043 Aerospace series - Metallic materials - General requirements for semi-finished product qualification (excluding forgings and castings) 1) EN 4235-3 Aerospace series - Steel - Wrought products - Technical specification - Part 3: Bar and section 1) EN 425
12、8 Aerospace series - Metallic materials - General organization of standardization - Links between types of EN standards and their use EN 4436 Aerospace series - Steel - Test methods - Determination of 6 ferrite content l) EN 4500-5 Aerospace series - Metallic materials - Rules for drafting and prese
13、ntation of material standards - Part 5: Specific rules for steel 1) Published as AECMA Prestandard at the date of publication of this standard Previous page is blank - Material designation Steel FE-PM1505 (XlCrNiMoAITi12-9-2) Chemical composition YO Element C Si Mn P S Cr Mo Ni AI Ti Np Fe min. - -
14、- - - 11,50 1,85 8,50 0,60 0,28 - max. 0,015 0,lO 0,lO 0,010 0,005 12,50 2,15 9,50 0.80 0,37 0,010 Base Method of melting Form Vacuum induction melted and consumable electrode remelted Bar Technical specification EN 4235-3 Delivery condition Solution treated Solution treated and precipitation treate
15、d 820 “C 5 Be 860 “C i OQ, AQ or WQ + cooling to BI 20 “C 820 OC e Be 860 “CI OQ, AQ or WQ + cooling to BI 20 “C + 510 “C 81 530 “CI t 2 4 h /AC Delivery condition code Use condition W U Solution treated Delivery condition and precipitation treated 8.1 8.2 Test sample) See EN 4235-3 Test piece) See
16、EN 4235-3 9 10 Dimensions concerned mm a or D I 150 aorD1150 ) 751aorD2150 ) each face Thickness of cladding on % - - - I1 12 13 14 15 16 17 - - - - Direction of test piece - L T Temperature B “C - Ambient Ambient - 2 1 300 2 1 300 Proof stress Rp0,2 MPa T Strength Rm MPa - 2 1 400 2 1400 Elongation
17、 A% - 29 28 - Reduction of area Z % 2 50 2 40 Hardness 363 HB 2 400 HB 2 400 HB Bending k “C - KV 2 40 J ; Notch direction T KV 2 30 J ; Notch direction L - % MPa YO - - - 27 Notes (see line 98) 1) Method of production Limit dimension(s) I mm I aorDI150 I Heat treatment Heat treatment I Delivery con
18、dition + 510 “C 2 $1 530 “CI t 24 h /AC I Characteristics 8.3 I Heat treatment I Delivery condition I Use condition - I I 18 I Shear strength I Rc I MPa I - - 19 20 21 22 23 24 25 26 - - - - - - - I Temperature I B I Time I ea I Stress MPa I - I Elongation Ia I Rupture stress I eR IA Elongation at I
19、 ruoture Microstructure Class 1 Condition Grain size Sever i ty External defects 2 3 Cleanliness I inclusion content (micro-cleanness) White spots A Radial segregation A Macrostructure Internal defects Marking inspection Dimensional inspection Notes Typical use Page 5 prEN 4469: 1999 EN 4436 One per
20、 cast Corresponding to ingot top The &ferrite content shall not exceed 2 % See EN 42353 G26 See EN 4235-3 Visual See EN 4235-3 Category 5 1 I Freckles I A 4 I Ring pattern I B See EN 42353 a or D s 100 mm may be tested either on the product or at an earlier stage of manufacturing. Class 5 See EN 4235-3 See EN 4235-3 1) 75 mm I a or D I 150 mm may be tested in L or T direction. - Page 6 prEN 4469: 1999 Product qualification See EN 2043 Qualification programme to be agreed between manufacturer and purchaser
